RU2015112303A - PLANETARY REDUCER, IN PARTICULAR, FOR TURBO MACHINE - Google Patents

PLANETARY REDUCER, IN PARTICULAR, FOR TURBO MACHINE Download PDF

Info

Publication number
RU2015112303A
RU2015112303A RU2015112303A RU2015112303A RU2015112303A RU 2015112303 A RU2015112303 A RU 2015112303A RU 2015112303 A RU2015112303 A RU 2015112303A RU 2015112303 A RU2015112303 A RU 2015112303A RU 2015112303 A RU2015112303 A RU 2015112303A
Authority
RU
Russia
Prior art keywords
chamber
gearbox
planetary gear
carrier
zone
Prior art date
Application number
RU2015112303A
Other languages
Russian (ru)
Other versions
RU2631726C2 (en
Inventor
Бенжамен ФЕРО
Original Assignee
Испано-Сюиза
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Испано-Сюиза filed Critical Испано-Сюиза
Publication of RU2015112303A publication Critical patent/RU2015112303A/en
Application granted granted Critical
Publication of RU2631726C2 publication Critical patent/RU2631726C2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0479—Gears or bearings on planet carriers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
    • F16H57/0442—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control for supply in case of failure, i.e. auxiliary supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0482—Gearings with gears having orbital motion
    • F16H57/0486—Gearings with gears having orbital motion with fixed gear ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • F16H57/082—Planet carriers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • F16H2057/085—Bearings for orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Details Of Gearings (AREA)
  • Retarders (AREA)

Abstract

1. Планетарный редуктор (1), в частности, для турбомашины, содержащий соосные внутреннюю планетарную шестерню (2) и внешнюю планетарную шестерню (3), причем внутренняя планетарная шестерня (2) совершает вращательные движения вокруг ее оси (X), а внешняя планетарная шестерня (3) является неподвижно установленной, по меньшей мере, один сателлит (4), установленный вращающимся на водиле (6) и совершающий зацепление одновременно и с внутренней планетарной шестерней (2), и с внешней планетарной шестерней (3); причем водило (6) совершает вращательные движения вокруг оси (X) внутренней планетарной шестерни (2) и внешней планетарной шестерни (3); причем сателлит (4) содержит цилиндрическую внутреннюю поверхность (7), установленную вращающейся вокруг цилиндрической поверхности (8) водила (6); причем редуктор (1) содержит, кроме того, средства подвода масла на уровне зоны соприкосновения (9) между упомянутыми цилиндрическими поверхностями (7, 8), отличающийся тем, что средства подвода масла содержат камеру (10), выполненную в водиле (6), предназначенную для формирования заданного объема буферного масла и содержащую: нижнюю зону (15), находящуюся на удалении от оси (X) вращения водила (6); верхнюю зону (16), находящуюся близко от оси (X) вращения водила (6); по меньшей мере, один основной канал (19), выходящий на уровне упомянутой зоны соприкосновения (9) и на уровне верхней зоны (16), и, по меньшей мере, один вспомогательный канал (20a, 20b), выходящий на уровне упомянутой зоны соприкосновения (9) и на уровне нижней зоны (15).2. Редуктор (1) по п. 1, отличающийся тем, что камера (10) имеет, по существу, цилиндрическую форму.3. Редуктор (1) по п. 1, отличающийся тем, что поперечное сечение вспомогательного канала (20a, 20b) меньше поперечного сечения основного канала (19).4.1. A planetary gearbox (1), in particular for a turbomachine, containing coaxial inner planetary gear (2) and an external planetary gear (3), the inner planetary gear (2) rotationally moving around its axis (X), and the outer planetary gear (3) is fixedly mounted, at least one satellite (4), mounted rotating on the carrier (6) and engaged simultaneously with the inner planetary gear (2) and the outer planetary gear (3); moreover, the carrier (6) rotates around the axis (X) of the inner planetary gear (2) and the outer planetary gear (3); moreover, the satellite (4) contains a cylindrical inner surface (7) mounted rotating around the cylindrical surface (8) of the carrier (6); moreover, the gearbox (1) contains, in addition, means for supplying oil at the level of the contact zone (9) between the aforementioned cylindrical surfaces (7, 8), characterized in that the means for supplying oil contain a chamber (10) made in the carrier (6), designed to form a predetermined volume of buffer oil and comprising: a lower zone (15) located at a distance from the axis (X) of rotation of the carrier (6); the upper zone (16), located close to the axis (X) of rotation of the carrier (6); at least one main channel (19) extending at the level of said contact zone (9) and at the level of the upper zone (16), and at least one auxiliary channel (20a, 20b) extending at the level of said contact zone (9) and at the level of the lower zone (15) .2. The gearbox (1) according to claim 1, characterized in that the chamber (10) has a substantially cylindrical shape. The gearbox (1) according to claim 1, characterized in that the cross section of the auxiliary channel (20a, 20b) is smaller than the cross section of the main channel (19) .4.

Claims (10)

1. Планетарный редуктор (1), в частности, для турбомашины, содержащий соосные внутреннюю планетарную шестерню (2) и внешнюю планетарную шестерню (3), причем внутренняя планетарная шестерня (2) совершает вращательные движения вокруг ее оси (X), а внешняя планетарная шестерня (3) является неподвижно установленной, по меньшей мере, один сателлит (4), установленный вращающимся на водиле (6) и совершающий зацепление одновременно и с внутренней планетарной шестерней (2), и с внешней планетарной шестерней (3); причем водило (6) совершает вращательные движения вокруг оси (X) внутренней планетарной шестерни (2) и внешней планетарной шестерни (3); причем сателлит (4) содержит цилиндрическую внутреннюю поверхность (7), установленную вращающейся вокруг цилиндрической поверхности (8) водила (6); причем редуктор (1) содержит, кроме того, средства подвода масла на уровне зоны соприкосновения (9) между упомянутыми цилиндрическими поверхностями (7, 8), отличающийся тем, что средства подвода масла содержат камеру (10), выполненную в водиле (6), предназначенную для формирования заданного объема буферного масла и содержащую: нижнюю зону (15), находящуюся на удалении от оси (X) вращения водила (6); верхнюю зону (16), находящуюся близко от оси (X) вращения водила (6); по меньшей мере, один основной канал (19), выходящий на уровне упомянутой зоны соприкосновения (9) и на уровне верхней зоны (16), и, по меньшей мере, один вспомогательный канал (20a, 20b), выходящий на уровне упомянутой зоны соприкосновения (9) и на уровне нижней зоны (15).1. A planetary gearbox (1), in particular for a turbomachine, containing coaxial inner planetary gear (2) and an external planetary gear (3), the inner planetary gear (2) rotationally moving around its axis (X), and the outer planetary gear (3) is fixedly mounted, at least one satellite (4), mounted rotating on the carrier (6) and engaged simultaneously with the inner planetary gear (2) and the outer planetary gear (3); moreover, the carrier (6) rotates around the axis (X) of the inner planetary gear (2) and the outer planetary gear (3); moreover, the satellite (4) contains a cylindrical inner surface (7) mounted rotating around the cylindrical surface (8) of the carrier (6); moreover, the gearbox (1) contains, in addition, means for supplying oil at the level of the contact zone (9) between the aforementioned cylindrical surfaces (7, 8), characterized in that the means for supplying oil contain a chamber (10) made in the carrier (6), designed to form a predetermined volume of buffer oil and comprising: a lower zone (15) located at a distance from the axis (X) of rotation of the carrier (6); the upper zone (16), located close to the axis (X) of rotation of the carrier (6); at least one main channel (19) extending at the level of said contact zone (9) and at the level of the upper zone (16), and at least one auxiliary channel (20a, 20b) extending at the level of said contact zone (9) and at the level of the lower zone (15). 2. Редуктор (1) по п. 1, отличающийся тем, что камера (10) имеет, по существу, цилиндрическую форму.2. The gearbox (1) according to claim 1, characterized in that the chamber (10) has a substantially cylindrical shape. 3. Редуктор (1) по п. 1, отличающийся тем, что поперечное сечение вспомогательного канала (20a, 20b) меньше поперечного сечения основного канала (19).3. The gearbox (1) according to claim 1, characterized in that the cross section of the auxiliary channel (20a, 20b) is less than the cross section of the main channel (19). 4. Редуктор (1) по п. 1, отличающийся тем, что камера (10) содержит, по меньшей мере, две части (10a, 10b), расположенные в осевом направлении на удалении относительно друг друга и соединенные, по меньшей мере, одним отверстием (18) сообщения, выходящим на уровне нижней зоны (15) каждой части (10a, 10b) камеры (10).4. The gearbox (1) according to claim 1, characterized in that the chamber (10) contains at least two parts (10a, 10b) located in the axial direction at a distance relative to each other and connected by at least one a message hole (18) extending at the level of the lower zone (15) of each part (10a, 10b) of the camera (10). 5. Редуктор (1) по п. 4, отличающийся тем, что две части (10a, 10b) камеры (10) разделены перегородкой (12), содержащей отверстие (17), соединяющее две части (10a, 10b) и выходящее на уровне верхней зоны (16) каждой части (10a, 10b), основной канал (19), выходящий в упомянутое отверстие (17).5. The gearbox (1) according to claim 4, characterized in that the two parts (10a, 10b) of the chamber (10) are separated by a partition (12) containing an opening (17) connecting the two parts (10a, 10b) and leaving at the level the upper zone (16) of each part (10a, 10b), the main channel (19) extending into the aforementioned hole (17). 6. Редуктор (1) по п. 1, отличающийся тем, что вспомогательный канал (20a, 20b) выходит в камеру (10) в месте, радиально смещенном относительно самого нижнего места (13) камеры (10).6. The gearbox (1) according to claim 1, characterized in that the auxiliary channel (20a, 20b) exits into the chamber (10) at a location radially offset from the lowest point (13) of the chamber (10). 7. Редуктор (1) по п. 6, отличающийся тем, что вспомогательный канал (20a, 20b) выходит в камеру (10) на уровне зоны (23), выступающей относительно внутренней стенки (24) камеры (10).7. The gearbox (1) according to claim 6, characterized in that the auxiliary channel (20a, 20b) exits into the chamber (10) at the level of the zone (23) protruding relative to the inner wall (24) of the chamber (10). 8. Редуктор (1) по п. 1, отличающийся тем, что содержит, по меньшей мере, два вспомогательных канала (20a, 20b), выходящих с одной и другой стороны радиальной плоскости (A), проходящей через ось (X) вращения водила (6), в местах, находящихся в радиальном направлении на удалении от самого нижнего места (13) камеры (10).8. The gearbox (1) according to claim 1, characterized in that it contains at least two auxiliary channels (20a, 20b) extending from one and the other side of the radial plane (A) passing through the axis of rotation (X) of the carrier (6), in places located in the radial direction at a distance from the lowest point (13) of the chamber (10). 9. Редуктор (1) по п.п. 5 и 8, отличающийся тем, что каждый вспомогательный канал (20a, 20b) выходит в часть (10a, 10b) камеры (10).9. The gearbox (1) according to p. 5 and 8, characterized in that each auxiliary channel (20a, 20b) goes into the part (10a, 10b) of the chamber (10). 10. Редуктор (1) по п. 1, отличающийся тем, что камера (10) содержит канавку (25), выполненную в нижней зоне (15) камеры (10); причем упомянутая канавка (25) содержит, по меньшей мере, верхнюю зону (26) и, по меньшей мере, нижнюю зону (27), находящиеся в осевом направлении на удалении друг от друга; причем нижняя зона (27) канавки (25) радиально больше удалена от оси вращения (X) водила (6), чем верхняя зона (26) канавки (25); причем упомянутая нижняя зона (27) канавки (25) в осевом направлении находится на удалении от выходного отверстия вспомогательного канала (20a, 20b) в камере (10). 10. The gearbox (1) according to claim 1, characterized in that the chamber (10) comprises a groove (25) made in the lower zone (15) of the chamber (10); moreover, said groove (25) comprises at least an upper zone (26) and at least a lower zone (27) located axially at a distance from each other; moreover, the lower zone (27) of the groove (25) is radially more remote from the axis of rotation (X) of the carrier (6) than the upper zone (26) of the groove (25); moreover, the said lower zone (27) of the groove (25) in the axial direction is located at a distance from the outlet of the auxiliary channel (20a, 20b) in the chamber (10).
RU2015112303A 2012-09-04 2013-08-29 Planetary reducer for turbomachine in particular RU2631726C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1258230 2012-09-04
FR1258230A FR2995055B1 (en) 2012-09-04 2012-09-04 REDUCER WITH EPICYCLOIDAL TRAIN, IN PARTICULAR FOR TURBOMACHINE
PCT/FR2013/051992 WO2014037652A2 (en) 2012-09-04 2013-08-29 Speed-reducing unit having an epicyclic gear train, in particular for a turbine engine

Publications (2)

Publication Number Publication Date
RU2015112303A true RU2015112303A (en) 2016-10-27
RU2631726C2 RU2631726C2 (en) 2017-09-26

Family

ID=47215589

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2015112303A RU2631726C2 (en) 2012-09-04 2013-08-29 Planetary reducer for turbomachine in particular

Country Status (9)

Country Link
US (1) US9404568B2 (en)
EP (1) EP2893221B1 (en)
JP (1) JP6334534B2 (en)
CN (1) CN104603504B (en)
BR (1) BR112015004700B1 (en)
CA (1) CA2883999C (en)
FR (1) FR2995055B1 (en)
RU (1) RU2631726C2 (en)
WO (1) WO2014037652A2 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104641151B (en) * 2012-09-04 2018-01-02 伊斯帕诺-絮扎公司 Particularly it is used for the epicyclic reduction gear of turbine
FR2995055B1 (en) * 2012-09-04 2014-09-26 Hispano Suiza Sa REDUCER WITH EPICYCLOIDAL TRAIN, IN PARTICULAR FOR TURBOMACHINE
US9879608B2 (en) 2014-03-17 2018-01-30 United Technologies Corporation Oil loss protection for a fan drive gear system
US9982771B2 (en) * 2014-12-01 2018-05-29 United Technologies Corporation Lightweight and compliant journal pin
US10443708B2 (en) * 2015-06-23 2019-10-15 United Technologies Corporation Journal bearing for rotating gear carrier
CN105422745B (en) * 2015-12-28 2017-08-25 南京高速齿轮制造有限公司 Planetary gear retarding stage in wind-driven generator wheel-box
CN107299966B (en) * 2016-04-15 2019-09-24 南京高速齿轮制造有限公司 A kind of planetary transmission
US10494998B2 (en) * 2017-01-30 2019-12-03 United Technologies Corporation Lubrication of epicyclic gear system for gas turbine engine
FR3062692B1 (en) * 2017-02-09 2019-04-19 Safran Transmission Systems ROLL-ON-ROLL BEARING HAVING IMPROVED LUBRICANT EXHAUST, PREFERABLY FOR AIRCRAFT TURBOPROPULSOR SPEED REDUCER
FR3066792B1 (en) * 2017-05-23 2019-07-26 Safran Transmission Systems BEARING LUBRICATION DEVICE
FR3071022B1 (en) * 2017-09-12 2020-01-10 Safran Transmission Systems PIVOT AND GEAR TRAIN WITH VARIABLE FLEXIBILITY BY VARIATION OF OVERHEAD
FR3071025B1 (en) * 2017-09-12 2021-02-12 Safran Trans Systems PIVOT FOR SLIDING BEARINGS AND REDUCED THERMAL STRESS GEAR TRAIN
FR3071026B1 (en) * 2017-09-12 2020-02-28 Safran Transmission Systems PIVOT FOR SMOOTH BEARING AND GEAR TRAIN
JP6939402B2 (en) * 2017-10-25 2021-09-22 株式会社ジェイテクト Planetary roller derailleur
FR3084429B1 (en) * 2018-07-26 2020-11-13 Safran Trans Systems REDUCER OR DIFFERENTIAL TYPE DEVICE FOR AN AIRCRAFT TURBOMACHINE
GB201819843D0 (en) * 2018-12-05 2019-01-23 Rolls Royce Oil supply arrangement for bearing
US10851671B2 (en) 2019-03-29 2020-12-01 Pratt & Whitney Canada Corp. Bending stiffening feature used for compliant journal bearing
FR3095252B1 (en) * 2019-04-19 2021-05-14 Safran Trans Systems AIRCRAFT TURBOMACHINE MECHANICAL REDUCER
RU2725568C1 (en) * 2019-06-20 2020-07-02 Федеральное государственное унитарное предприятие "Центральный ордена Трудового Красного Знамени научно-исследовательский автомобильный и автомоторный институт "НАМИ" (ФГУП "НАМИ") Planet range gear of multiple-speed gearbox
EP3770466B1 (en) * 2019-07-25 2022-09-28 Rolls-Royce Deutschland Ltd & Co KG Planetary gearbox
FR3101129B1 (en) 2019-09-24 2021-08-27 Safran Trans Systems OIL RESTRICTOR FOR EMERGENCY LUBRICATION OF AN AIRCRAFT TURBOMACHINE ELEMENT
US11236814B1 (en) * 2020-10-21 2022-02-01 Enplas Corporation Planetary gear shaft lubrication system
DE102021109637A1 (en) 2021-04-16 2022-10-20 Rolls-Royce Deutschland Ltd & Co Kg Planetary gear for a gas turbine engine
FR3132333A1 (en) 2022-01-28 2023-08-04 Safran Transmission Systems SLIDING BEARING FOR AN AIRCRAFT TURBOMACHINE
US20240117876A1 (en) * 2022-10-10 2024-04-11 Dana Heavy Vehicle Systems Group, Llc Planetary gear pin

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1130254A (en) * 1965-11-13 1968-10-16 Rheinstahl Huettenwerke Ag An improvement in or relating to lubrication and cooling of journal bearings
US4271928A (en) * 1978-07-11 1981-06-09 Rolls-Royce Limited Lubricant supply device
JPS5846152Y2 (en) * 1978-07-21 1983-10-20 紘 平阪 Cutting machine cutting table
JPS60169462U (en) * 1984-04-19 1985-11-09 川崎重工業株式会社 Oil supply system for planetary gears
RU2075674C1 (en) * 1991-03-19 1997-03-20 Станислав Александрович Беганский Planet reduction gear
US5472383A (en) * 1993-12-27 1995-12-05 United Technologies Corporation Lubrication system for a planetary gear train
US8267826B2 (en) * 2005-03-15 2012-09-18 United Technologies Corporation Uninterruptible oil supply in planetary system
DE102005031066A1 (en) * 2005-07-04 2007-02-01 Zf Friedrichshafen Ag automatic transmission
JP2008089078A (en) * 2006-10-02 2008-04-17 Nsk Ltd Pinion shaft and automatic transmission
US7662059B2 (en) * 2006-10-18 2010-02-16 United Technologies Corporation Lubrication of windmilling journal bearings
US8215454B2 (en) * 2006-11-22 2012-07-10 United Technologies Corporation Lubrication system with tolerance for reduced gravity
CN201322089Y (en) * 2008-12-11 2009-10-07 江苏省金象减速机有限公司 Centrifugal force oil supply lubrication structure for planet wheel bearing of planetary reduction gear
CN101709774B (en) * 2009-12-02 2011-09-21 煤炭科学研究总院西安研究院 Automatic lubrication device for planet wheel bearing
JP5956676B2 (en) * 2012-05-02 2016-07-27 コーヨー ベアリングス ノース アメリカ エルエルシー Plug for planetary pin assembly
FR2991421B1 (en) * 2012-05-30 2015-07-31 Snecma EPICYCLOIDAL TRAIN REDUCER WITH BEARING-BASED SATELLITE AXES
US20130319006A1 (en) * 2012-05-31 2013-12-05 Francis Parnin Direct feed auxiliary oil system for geared turbofan engine
CN104641151B (en) * 2012-09-04 2018-01-02 伊斯帕诺-絮扎公司 Particularly it is used for the epicyclic reduction gear of turbine
FR2995055B1 (en) * 2012-09-04 2014-09-26 Hispano Suiza Sa REDUCER WITH EPICYCLOIDAL TRAIN, IN PARTICULAR FOR TURBOMACHINE

Also Published As

Publication number Publication date
CN104603504A (en) 2015-05-06
US9404568B2 (en) 2016-08-02
WO2014037652A3 (en) 2014-07-24
CA2883999C (en) 2020-05-12
JP2015527548A (en) 2015-09-17
FR2995055B1 (en) 2014-09-26
BR112015004700A8 (en) 2019-08-06
CA2883999A1 (en) 2014-03-14
RU2631726C2 (en) 2017-09-26
BR112015004700B1 (en) 2022-02-22
FR2995055A1 (en) 2014-03-07
EP2893221A2 (en) 2015-07-15
JP6334534B2 (en) 2018-05-30
EP2893221B1 (en) 2019-08-14
WO2014037652A2 (en) 2014-03-13
BR112015004700A2 (en) 2017-07-04
US20150252889A1 (en) 2015-09-10
CN104603504B (en) 2017-06-13

Similar Documents

Publication Publication Date Title
RU2015112303A (en) PLANETARY REDUCER, IN PARTICULAR, FOR TURBO MACHINE
JP2015527548A5 (en)
RU2014136992A (en) EPICYCLOID REDUCER LUBRICATION OIL DEVICE
RU2016112949A (en) ROTATING ASSEMBLY CONTAINING A TRANSMISSION GEAR AND OIL DISTRIBUTION SYSTEM
RU2015112280A (en) PLANETARY REDUCER, IN PARTICULAR, FOR TURBO MACHINE
RU2018109499A (en) OIL FEEDING DEVICE FOR EPICYCLOID TRANSMISSION
RU2020111651A (en) DEVELOPER FEED CONTAINER
RU2013158716A (en) REDUCER LUBRICATION SYSTEM
RU2016113380A (en) DRIVING PLANETARY TRANSMISSION FOR EPICYCLIC REDUCER
CN105324561A (en) Turbomachine accessory gearbox equipped with an air/oil separator
RU2017129258A (en) PUMP INTEGRATION IN THE GEAR TAIL
RU2013149798A (en) SHAFT SEALING SYSTEM
MX2017008349A (en) Washing machine driver.
US10208849B2 (en) Mechanical gear transmission
RU2012157161A (en) COMBUSTION CHAMBER (OPTIONS) AND METHOD FOR CLEANING THE COMBUSTION CHAMBER
RU2011126294A (en) CAR COMPRESSION BUFFER CONTAINING A GROUP OF AT LEAST TWO INSTALLED SEAL RINGS
RU2013138283A (en) FUEL FEEDER FOR INTERNAL COMBUSTION ENGINE
RU2013150874A (en) RADIAL FIXING AND POSITIONING FLANGES FOR AXIAL TURBINE COMPRESSOR HOUSING Shells
RU2017133037A (en) HYDRODYNAMIC BEARING
RU2014137432A (en) IMPROVED SYSTEM FOR CENTERING A HYDRAULIC MACHINE ON A VEHICLE ELEMENT
CN104266064A (en) Multistage cycloid gear pump structure
CN106855116B (en) Planetary gear transmission and housing thereof
RU2011150359A (en) ROCKET ENGINE
CN205330982U (en) Single screw compressor for petrochemical industry
CN203637936U (en) Hydraulic power steering gear

Legal Events

Date Code Title Description
PD4A Correction of name of patent owner